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Square Grid Aluminum Steel Grating with Machine Forge Welding for Platform Walkway

The grating is with a square grid in the middle, composed by flat bearing bar and cross roun bar. mainly used as gutter cover, Steel structure platform walkway, steps of steel ladder, etc.
The steel grating is generally made of carbon steel, and the surface is hot-dip galvanized, which can prevent oxidation. It can also be made of stainless steel, aluminum steel.

According to the welding method, it can be divided into: machine forge welding type and handmade manual welding type.
According to surface of the loaded flat steel, it can be divided into: flat type, tooth type and "I" type.
According to its purpose, it can be divided into: trench cover, platform walkway, stair treads.
According to its mateiral, it can be divided into: midl steel, aluminum, stainless steel.

Common Specification of Steel Grating
Remarks: Special Material, High Zinc Coating and New Style can be Customized.
Material Standard	ASTM A36, A1011, A569, Q235, S275JR, Stainless steel 304/316, Mild steel & Low carbon steel, etc
Bearing Bar (Width x Thickness)	25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10…..100 x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'',1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc
Bearing Bar Pitch	12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3,32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc. US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc
Surface Treatment	Untreated(black), Hot-dipped galvanized, Powder coated, Electroplate, Painting or as per customers' requirement.
Grating Style	Plain / Smooth, Serrated / Teeth, I bar, Serrated I bar
Packing	(1) Bandage and Paperboard: Generally applies to neat steel plate; (2) Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength; (3) Steel Pallet: Traditional export packing.
Payment Term	T/T, L/C, Western Union, Credit Card, ****** Trade Assurance
Product Name: Metal Serrated Steel Grid Grating To Construction Building Material

APPLICATIONS
-flooring steel gratings
-stair treads
-sun shades
-drain covers
-security screen
-manhole covers
-mezzanine flooring
-earth mats
-shelving
-Stanchions (hand rails)
-trench covers

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